

package example.serialization;

import javax.annotation.Nonnull;

public class NodeDTO implements Comparable<NodeDTO> {

    private NodeDTO child;
    private int id;

    // Needed for CompactTestUtil#getSchemasFor
    public NodeDTO() {
    }

    public NodeDTO(NodeDTO child, int id) {
        this.child = child;
        this.id = id;
    }

    public NodeDTO(int id) {
        this.id = id;
    }

    public NodeDTO getChild() {
        return child;
    }

    public int getId() {
        return id;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        NodeDTO node = (NodeDTO) o;

        if (id != node.id) {
            return false;
        }
        return child != null ? child.equals(node.child) : node.child == null;
    }

    @Override
    public int hashCode() {
        int result = child != null ? child.hashCode() : 0;
        result = 31 * result + id;
        return result;
    }

    @Override
    public int compareTo(@Nonnull NodeDTO o) {
        return id - o.id;
    }
}
